Unbiased Information and Reviews on Appliances, Solar and Saving Electricity

Tag: Thermos

When I was a child I used to have a lot of curiosity while using a Thermos (or vacuum flask). It was always like magic that it used to keep hot things hot and cold things cold all the time. It neither had fire in it to keep things hot nor ice to keep things cool. Later in high school we learnt the basics of heat transfer, and that was when the theory behind the thermos became clear to me. After so many years, when I think of it, a lot of it can be applied to saving

Bijli Bachao participates in the Amazon Associates and Flipkart Associates Program, affiliate advertising programs designed to provide a means for sites to earn commissions by linking to Amazon and Flipkart. This means that whenever you buy a product on Amazon or Flipkart from a link on here, we get a small percentage of its price. That helps support Bijli Bachao with some money to maintain the site, and is very much appreciated. Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.